diff --git a/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S 0.6 nozzle.json b/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S 0.6 nozzle.json
index da3993e3645..00a001d0c32 100644
--- a/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S 0.6 nozzle.json	
+++ b/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S 0.6 nozzle.json	
@@ -155,9 +155,6 @@
         "0",
         "0"
     ],
-    "slow_down_layer_time": [
-        "8"
-    ],
     "volumetric_speed_coefficients": [
         "0 0 0 0 0 0",
         "0 0 0 0 0 0"
diff --git a/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S 0.8 nozzle.json b/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S 0.8 nozzle.json
index a4245e2192e..8cbe8d3e3e3 100644
--- a/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S 0.8 nozzle.json	
+++ b/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S 0.8 nozzle.json	
@@ -155,9 +155,6 @@
         "0",
         "0"
     ],
-    "slow_down_layer_time": [
-        "8"
-    ],
     "volumetric_speed_coefficients": [
         "0 0 0 0 0 0",
         "0 0 0 0 0 0"
diff --git a/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S.json b/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S.json
index 6f6a359195f..92f1db965b3 100644
--- a/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S.json	
+++ b/resources/profiles/BBL/filament/Bambu PLA Matte @BBL P2S.json	
@@ -155,9 +155,6 @@
         "0",
         "0"
     ],
-    "slow_down_layer_time": [
-        "8"
-    ],
     "volumetric_speed_coefficients": [
         "0 0 0 0 0 0",
         "0 0 0 0 0 0"